進動軸線 的英文怎麼說
中文拼音 [jìndòngzhóuxiàn]
進動軸線
英文
axis of precession-
The fractal theory application to fault diagnosis is tried in order to overcome the defec t of wavelet transform to nonlinear signal analysis and complicated machine diagnosis, including the concept, function and application about fractal dimension and the process of applying it to analyze the libration signal of rolling bearing and engine burning
針對小波變換分析復雜非線性機械繫統時表現出的力不從心,又嘗試探討了分形理論在故障診斷領域中的應用,討論了分形維數的概念、物理意義和應用,並通過滾動軸承和發動機燃燒振動信號的分析例示探討和展示了應用分形方法進行故障診斷的方法和過程。This article imtroduces adesign for a new style nonelastic element flexible c ouple r with good combinedcompensntion functions of axial, radial and anguladirection s. it s a mew idea designwith a simple and reasonable construction, lowpri ce and convenient maintenance. also it hasa super axial compensating ability compared with common couplers. the theory is that therotary force can be changed into lev eladvanced force. it has been proved that this couplerhas a good combined techn ique proprety and a higher rate between quality and price. itmust have cheerful prospects of application
設計了一種具有良好的軸向、徑向及角向綜合補償功能的新型無彈性元件撓性聯軸器.這種聯軸器構思新穎,結構簡單,容易加工製造,便於裝拆維修,具有一般聯軸器所不能實現的軸向超大補償能力.設計原理可引伸拓寬到將轉動動力轉變為直線推進動力的設計上.實踐證明,該聯軸器具有良好的綜合技術性能和較高的性能價格比,極具應用前景The applications and developments of the rotor - ambs system in the engineering are showed in recent years. in particularly, we present the results for the studies of nonlinear dynamics in the rotor - ambs system. we also point out the trend of the rotor - ambs system in future and the necessity of the study on the nonlinear dynamics of the rotor - ambs system
本文的研究內容和所獲得的主要結果有以下幾個方面: ( 1 )綜述了磁懸浮研究的歷史,介紹了主動式電磁軸承-轉子系統在工程實際中的應用,主動式電磁軸承的研究現狀,總結了近十年來國內外對電磁軸承-轉子系統非線性動力學的研究進展和取得的成果,指出了電磁軸承發展的趨勢及進行非線性動力學研究的必要性。By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing
主要工作有如下幾方面:對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析,並研製了現場所使用的滾動軸承故障檢測裝置,將無量綱參數診斷法應用於段修現場,且做了大量試驗;對于現場試驗中所出現的問題進行了分析,提出將聲發射的方法用於軸承的在線故障診斷;從理論上分析了聲發射現象,從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法,並在實驗室中,採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析,證明了使用聲發射法對軸承故障檢測的可行性和有效性。Abstract : a new type cold frame is intruduced. the deformation of unsymmetry section steel after cooling is mainly eliminated by reversely curring it on line, ensuring the achievement of automation of meticulous repair. at the same time the disposing principle of equilibrium weight on the driving axis of cold frame drived by eccentric wheel was improved. the torsional moment of transmission shaft and power of electric motor are reduced by the method
文摘:介紹了一種新型冷床,通過在線對非對稱型鋼進行反向彎曲,基本上消除了非對稱型鋼冷卻后的變形,保證了精整工序自動化的實現.同時,提出了偏心輪驅動的冷床驅動軸上平衡重的配置原則.此方法可降低傳動軸上所受的扭矩,減少了電動機的功率Non - linear dynamics characters of a rotor system for an elastic shaft - disk with a crack are examined by introducing the geometric non - linearity and equivalent line - spring model
本文引入了幾何非線性關系和等效線彈簧模型對含裂紋的彈性軸彈性盤轉子系統進行非線性動力學分析。In this paper, it ' s mainly discussed the electric turbine driving equipment needed by the 400 mw hydraulic power generators of the li - jia mountain to carry out the axis modifying when its checking and repairing
本文重點討論李家峽40萬kw水輪發電機組檢修安裝所需進行軸線調整用電動盤車裝置。In many performance check, artillery control systematic dynamic trail aimed error is one of relatively important parameter, dynamic trail aimed error denote : when high cannon system is dynamic trailing, set bullet pellet flight time is 0, in the condition of not considering advance quantity ( 0 fly working ), the axis of artillery pipe should direct goal
在諸多的性能考核中,火控系統的動態跟蹤瞄準誤差是較為重要的參數之一。所謂動態跟蹤瞄準誤差是指:當高炮系統在進行動態跟蹤時,設定彈丸飛行時間為零,即在不帶提前量的條件下(即零飛工作方式下) ,火炮身管的軸線應直接指向目標。According to the train of thought of strengthening the center, radiating around an axis, carrying the work forward gradiently, then driving the whole province forward, we can make an overall distribution, and create a metropolitan area with the core of nanchang, with an axis of developing the towns along the line of jing - jiu and zhe - gan railways and with a secondary axis of developing the towns along the line of no. 105, no. 206 and no. 323 national road
按照「強化中心、軸線輻射,梯度推進、帶動全省」的思路進行總體布局,使之基本形成以南昌為核心的大都市區,京九鐵路和浙贛鐵路沿線的城鎮發展為主軸帶,及沿105 、 206 、 323國道城鎮發展為次軸帶的發展態勢。The slant of support and roller " s axes is analysed as the main factor
對影響回轉窯軸向運動的主要因素? ?托輪軸線與滾圈中心線的傾斜進行了分析。And then we consider the manner in which the bennett linkage is related to the hyperboloid defined by its joint axes and the one defined by its links. we go on to algebraically inter - relate these and an equivalent screw of the overall instantaneous motion, which help us understand its kinetic property
然後進一步研究了它的四個軸線所組成的單葉雙曲面和它本身的幾何參數的關系,使bennett機構的瞬時運動和某個單葉雙曲面結合起來,有利於我們對其運動屬性的了解。When the shaker is working, its roller screen not only vibrates with the shaker deck, but also slowly rotates with the axis of itself, and the drilling fluids returned from annular space are separated inside the roller screen
工作時篩網筒與篩箱一起振動,同時還繞自身軸線作緩慢的旋轉運動,從環空返回的鉆井液進入篩筒內部進行分離。Through teat of relative vibration, center - line and center orbit of the shaft during starting - up and carrying load process, the abrasion mechanism, radial disturbance, loading status, and self - centering capability etc. of the the failured bearing have been analysed, and measures for preventing damage of bearing shoes being put forward
摘要通過對機組起動及帶負荷過程中軸的相對振動、軸中心線、軸心軌跡的測試,對失效軸承的磨損機理、徑向擾動、承載狀況和軸承自調心能力等進行分析,提出了預防軸瓦損傷的措施。The way to eliminate chaos phenomenon through adjusting system parameters is indicated. the nonlinear dynamic behavior of journal bearing - rotor system in large parameter space is studied in numerical integral method and floquet theory and the first and second bifurcation behavior of nonlinear rotor system are discussed ; the concept is advanced that realizing the controllable nonlinear stiffness with sfd with the soft - nonlinear of sma in the super - elasticity state to make the vibration amplitude of system always be in the small solution state to reduce the vibration amplitude of rotor system
運用數值積分方法結合floquet理論對滑動軸承-轉子系統的大參數范圍非線性動力學特性進行了全面的研究,詳細地討論了系統的一次和二次分岔行為; 5 )提出了用形狀記憶合金在超彈性狀態下的軟非線性,結合擠壓油膜阻尼器實現系統剛性的非線性可控,降低系統在非定常狀態下的最大振幅的構想。In the light of the experimental data and using the method of poly linear regressed analysis, this article not only analyzed the main influential factors in the vibration of bearing of primary quality parameters of the rolling degree of bearing but built the mathemaitical model between primary quality parameters of the rolling bearing and vibration of bearing as well
本文根據試驗數據,利用多元線性回歸分析方法分析軸承滾道表面質量參數對軸承振動的主要影響因素。建立了滾動軸承表面質量參數與軸承振動之間的數學模型。用f檢驗、 t檢驗對此模型進行了顯著性檢驗。The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened, plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws
主軸採用高精度的滾動軸承支承;主傳動採用進口變頻調速器,實現無級調速功能及恆線速切削功能;床身採用超音頻淬硬處理,採用貼塑導軌; x軸和z軸均採用步進或伺服電機,通過滾珠絲杠,實現進給運動。M12t is the small - size orbit riveting machine of hydraulic pressure, and the plum blossom removing to apply to have international advanced orbit riveting technology, this machine has been enlarged the bench, and possesses t - slot of clamping apparatus, bench centre aperture and axis coaxial, and available fixes a position in the clamping apparatus
Jm12t是液壓類中型徑向臺式鉚接機,除應用有國際先進的11瓣梅花徑向鉚接技術外,同時採用絲桿升降式動力頭機頭部分不固定,臺面具有夾具梯形槽,工作臺中心孔徑與主軸軸線同軸,可用於夾具定位。The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion
殼體的運動方程採用較為簡單的donnell理論描述,運動方程中包括了激勵力、加筋結構(環肋、艙壁和縱骨)和流場對殼體的作用力,從而組成流場-結構的耦合振動方程,並進一步將方程中的位移用速度表示,然後沿軸線方向進行fourier變換,將速度和各項荷載沿圓周方向進行模態展開,得到了殼體振動的模態運動方程。During types synthesis of kinematic scheme, there are two tasks need to be accomplished, one is transformation of each building block coordinate system in to machine ( global ) coordinate system, the other is linear transformation of each building block to align the axes
在運動方案的型綜合中,需要進行兩項工作:一是將各備選機構坐標轉換為機器的通用坐標;二是將各備選機構的軸線首末端空間方位按組合的先後順序對齊。Engine is contained in the angular vibrating curves of crankshaft, many scholars do research on the fault cylinder diagnosis by use of the transient speed curves of i. c. engine, and some progresses are acquired, but there are some problems such as the poor diagnosis accuracy in some cases and the limited application range
內燃機曲軸角振動曲線含有豐富的內燃機作功狀況的信息,國內外許多學者都在研究利用內燃機瞬時轉速曲線診斷故障缸,取得一定進展,但存在精度不高或適用范圍受限制等問題。分享友人